#region Copyright (c) 2006-2013 nHydrate.org, All Rights Reserved
// -------------------------------------------------------------------------- *
//                           NHYDRATE.ORG                                     *
//              Copyright (c) 2006-2013 All Rights reserved                   *
//                                                                            *
//                                                                            *
// Permission is hereby granted, free of charge, to any person obtaining a    *
// copy of this software and associated documentation files (the "Software"), *
// to deal in the Software without restriction, including without limitation  *
// the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
// and/or sell copies of the Software, and to permit persons to whom the      *
// Software is furnished to do so, subject to the following conditions:       *
//                                                                            *
// The above copyright notice and this permission notice shall be included    *
// in all copies or substantial portions of the Software.                     *
//                                                                            *
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,            *
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES            *
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  *
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY       *
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,       *
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE          *
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                     *
// -------------------------------------------------------------------------- *
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;

namespace nHydrate.Generator.Common.Util
{
	/// <summary>
	/// This is a thread-safe hashtable class
	/// </summary>
	/// <typeparam name="K">The object type of the key</typeparam>
	/// <typeparam name="T">The object type of the value</typeparam>
	public class HashTable<K, T>
	{
		protected Hashtable _h = new Hashtable();

		public HashTable()
		{
		}

		public virtual void Add(K key, T value)
		{
			lock (_h)
			{
				_h[key] = value;
			}
		}

		public virtual void Clear()
		{
			lock (_h)
			{
				_h.Clear();
			}
		}

		public virtual T this[K key]
		{
			get
			{
				lock (_h)
				{
					return (T)_h[key];
				}
			}
			set
			{
				lock (_h)
				{
					_h[key] = value;
				}
			}
		}

		public virtual bool ContainsKey(K key)
		{
			lock (_h)
			{
				return _h.ContainsKey(key);
			}
		}

		public int Count
		{
			get
			{
				lock (_h)
				{
					return _h.Keys.Count;
				}
			}
		}

		public virtual bool ContainsValue(T value)
		{
			lock (_h)
			{
				return _h.ContainsValue(value);
			}
		}

		public virtual ICollection<K> Keys
		{
			get
			{
				lock (_h)
				{
					return new List<K>(_h.Keys.Cast<K>());
				}
			}
		}

		public virtual void Remove(K key)
		{
			lock (_h)
			{
				_h.Remove(key);
			}
		}

		ICollection<T> Values
		{
			get
			{
				lock (_h)
				{
					return new List<T>(_h.Values.Cast<T>());
				}
			}
		}

	}
}

